Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0ef705104271848c22951b500b34fe80abf2b40492db17a2a9b82c871a84eff8' 
  AND token = 'kqTFO6sDYd1oOznAIC3J6sgwNXcufulVbni3iLLlen8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "message": "Impossible WHERE noticed after reading const tables"
    }
  }
}