INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51f0a0a1144b25e255940b1cc5a5bbb0a4ced7aef3335ffe72573a386fc0b8e0', 
    '7wGFVTquBjZwoFBG5oay1fl6VUifLLRriwfQ2r/crAc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00053

Result

int(1)