INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6de987da9f16c13db58717c960dcbbf875ce70d21bc4d6319fa2a40dc6798ab4', 
    '+ki0vIBvDSjPjhUKue5nHePVAVHIJLks5rvPoYZL4I8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00041

Result

int(1)