INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '278e5a9f374d57945deea71d8603ddc3c775a36c589a8354e63f587776b876d8', 
    'WRZ6y+MNyhZb7e29B033m7KVee8NUOPgk5gUVRvvI+k=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00019

Result

int(1)