INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3ffbca4bec5cf80d287add506d888d5a4fda4e5f5f250180e69f3941960465bf', 
    'UpuJvUFLzqoZIMffkMNE/mJgCPjJ604h4RxOD0KAT4A=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)