INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '52564e53995e8654445e59ba34ea5a56cd4c03ded948d5c19200708ef1367b9d', 
    '6EaILVufTla5BRxMpmkClXVD89EM0ZKunPMGp1Wc7ig=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)