INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8d69876f66d46f7e943d1f5baa8cf2e2a84e436755f677f9288bb2cb22c3fe0c', 
    '3g1FZ837sXHjkvxQScTORrR79Qnpi/tUAXleT3Ljyac=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)