INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '18fe281fdeada77bc442bd50c63710e80676b90e96ef5a24f8109e05b03cafe7', 
    'vUAJ0GJDn7hO5hCXkt/JyAp8d94YvPu4nDwCNBRYtwM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)