INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '303e8bda7afedbe4b764a3c74c7a0779c9a136298dfd4101769672926ccd76d9', 
    'FL7J0kHjgoIQ+sfzgoCh8K0/eOm19EMm4ur40qeuRss=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00068

Result

int(1)