UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cfV+gUkeiTFOxXVrqfjajQrh8rIb20MVntANcZlY+b0=' 
WHERE 
  key_id = '0b30eb9b510ceb6a7d4dd064d879651b646ee4ac7cdcf09ba5f5348851940c7a' 
  AND (
    token = 'cfV+gUkeiTFOxXVrqfjajQrh8rIb20MVntANcZlY+b0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00021