INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7be556230279b6475cbe54509f6d61a88fbe7235b13518164728def851f4fbba', 
    'RXWBLMD4CMlmYkpmrNjTMftd16eRBsfER8ypYLNDhRo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)