INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4faafc0b8e43806d3b61d5e751d58c007b512dcac44bf50cd4891fe53dcc394b', 
    'hRc4RgxJCgluCw74xQypr8mwMkk2aD3sEHWF2UDR33I=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)