INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '75974bcf792e98abeb86a47199514b98d919e8dc055ca9abb244743d914666c9', 
    'zQH4KpUInRFFlw6eeufvkljS5Y0BO1Siuoq22KsPiYc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00050

Result

int(1)