INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e21f56c39a50d88464539548762fd8d8eef66914371b969e4b9ad9ab8861acb7', 
    'R/7BPiO+OcDij3J3CTUUTokbousVT3VxeI2EvJ9CgcE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00041

Result

int(1)