INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'cbdd2ea6d8ffa785f7e1cee28d8c6e5023c74856948294062abf3e0be456c78e', 
    'oLEBjbijpx6IjXQedtG/KHYDtDxdjxYfVtqKELF1RhY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)