INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '38c21982d2335d108ee588a7947ec31629b313d76cab99d6683f2994a9b9bc4a', 
    'JkuCfoSvjPCKrHLhEWhoByRG8zWUhcCWMoXZ7nAWRQc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)