INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '16f7d2326e633847af846eaefa2b47e497f7336e4188637481079b12ea5e882f', 
    'SUg02zXMb5/MQAclp0S66R8b0k7HqvPBp+7P4VVT0KI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)