INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'ec42684625cf0eadd8841ba8cbeb45947a8cea3a1d05f15f8748b224a580b3e4', 
    'MztIlj3QOzCRTgnNz2kAekHL1XpgXAwmVcDtD95bmQw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)