INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'ab51cd822c75bcd249bca29f4b3493033d1d5a5531199048add4a6400aa98ae8', 
    'njgueu0o4TAipP+C316tHyMUsFcqVjCXq12V+ttYbYc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)