INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '0303dc5b53f3c3ba2fedb89bb1fcc905a4a349187722ddd15d75ab241b771440', 
    'iBJdPZLFR7d93OOsNU2wihU0vBByn5cVsM7zisoSeE0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)