INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '2b75bb31325747358f7d3a8cfd3c76f993f4fae1624e5a738f08a4fef7de243a', 
    'U4QVkuwvAS+hhLtfFHLOAfowg99Rrp+mM2B+uh8c1NY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)